Chongqing Summit Yttrium Power Technology Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 800/Month |
| Delivery Time | 8 Weeks |
| Packaging Details | CKD |
| Displacement | 107CC |
| Front Brake | Drum brake |
| Rear Brake | Drum brake |
| Engine Type | CB single-cylinder 4-stroke |
| Max Power | 5.2 kW / 7500 rpm |
| Max Torque | 7.0 Nm / 6000 rpm |
| Brand Name | YIPOWER |
| Model Number | ZF125-XY-2 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 800/Month |
| Delivery Time | 8 Weeks | Packaging Details | CKD |
| Displacement | 107CC | Front Brake | Drum brake |
| Rear Brake | Drum brake | Engine Type | CB single-cylinder 4-stroke |
| Max Power | 5.2 kW / 7500 rpm | Max Torque | 7.0 Nm / 6000 rpm |
| Brand Name | YIPOWER | Model Number | ZF125-XY-2 |
| Place of Origin | China | ||
| High Light | 4 Speed underbone backbone motorcycle ，95kg underbone backbone motorcycle ，7500rpm most reliable commuter motorcycle | ||
The YIPOWER 107cc Underbone is engineered for riders who value practicality, efficiency, and ease of use. At its core lies a horizontal CB single-cylinder 4-stroke engine delivering 5.2 kW of power at 7500 rpm and 7.0 Nm of torque at 6000 rpm—perfectly tuned for stop-and-go city traffic and suburban cruising.
Riding is simplified with an automatic wet multi-plate clutch and a 4-speed transmission featuring a 1-2-3-4 cycle shift pattern. No clutch lever, no complication—just smooth gear changes and focused riding. Whether you're a beginner or a seasoned commuter, this bike adapts to your pace.
Weighing just 95 kg and capable of carrying up to 150 kg, the YIPOWER strikes an ideal balance between lightweight agility and practical load capacity. The 850 mm seat height offers a commanding view of the road, while the 1240 mm wheelbase ensures stable handling at city speeds. With 120 mm of ground clearance, potholes and speed bumps are easily managed.
Stopping power comes from front and rear drum brakes, delivering consistent and reliable deceleration in all weather conditions. The telescopic front forks and rear swing arm suspension work together to absorb road imperfections, keeping your ride smooth and comfortable.
Fuel efficiency is a standout feature. The 4 L tank, combined with a 9.2:1 compression ratio and carbureted fuel delivery, means fewer stops at the pump and more time on the road. Top speed reaches 80 km/h—ample for daily commuting and weekend errands.
Durable steel rims (1.4*17 front, 1.6*17 rear) are fitted with 2.5-17 front and 2.75-17 rear tires, providing reliable traction on both paved roads and light gravel. Starting is effortless with dual electric and kick start options, backed by a 12V 5Ah lead-acid battery and an 8-class single-phase charging system.
The YIPOWER 107cc Underbone is more than just a motorcycle—it's a dependable partner for your daily journey. Simple to operate, economical to own, and built to last.
| Item | Specification | |
|---|---|---|
| Overall Length | 1980 mm | |
| Overall Width | 650 mm | |
| Overall Height | 1070 mm | |
| Wheelbase | 1240 mm | |
| Seat Height | 850 mm | |
| Ground Clearance | 120 mm | |
| Curb Weight | 95 kg | |
| Max Weight Capacity | 150 kg | |
| Front Suspension | Telescopic front fork | |
| Rear Suspension | Single/Double swing arm (unspecified) | |
| Front Tire | 2.5-17 | |
| Rear Tire | 2.75-17 | |
| Front Brake | Drum brake | |
| Rear Brake | Drum brake | |
| Fuel Tank Capacity | 4 L | |
| Front Rim | 1.4 * 17 | |
| Rear Rim | 1.6 * 17 | |
| Engine Type | CB single-cylinder 4-stroke | |
| Cylinder Arrangement | Horizontal | |
| Bore x Stroke | 52.4 mm * 49.5 mm | |
| Displacement | 107 cm³ | |
| Max Power | 5.2 kW / 7500 rpm | |
| Max Torque | 7.0 Nm / 6000 rpm | |
| Max Speed | 80 km/h | |
| Compression Ratio | 9.2:1 | |
| Valve Train | Chain drive | |
| Lubrication System | Splash lubrication | |
| Cooling System | Air-cooled | |
| Engine Dry Weight | 21 kg | |
| Fuel Supply Type | Carburetor | |
| Clutch System | Wet multi-plate | |
| Clutch Operation | Automatic | |
| Transmission | Chain drive | |
| Primary Reduction | 4.059 | |
| Final Reduction | 2.571 | |
| Gear Ratios | 1st: 2.883 / 2nd: 1.705 / 3rd: 1.238 / 4th: 0.958 | |
| Gear Shift Pattern | 1-2-3-4 cycle | |
| Ignition System | CDI | |
| Starting System | Electric / Kick start | |
| Charging System | 8-class, single-phase | |
| Regulator/Rectifier | Full-wave | |
| Battery | Lead-acid, 12V 5Ah | |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Trading Company
Year Established:
2021
Total Annual:
20000000-30000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Chongqing Summit Yttrium Power Technology Co., Ltd. is a technology-driven company specializing in the development, manufacturing, and global distribution of high-performance electric motorcycles and advanced power systems. The company is built upon the industrial foundation of Zhufen... Chongqing Summit Yttrium Power Technology Co., Ltd. is a technology-driven company specializing in the development, manufacturing, and global distribution of high-performance electric motorcycles and advanced power systems. The company is built upon the industrial foundation of Zhufen...
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